Celtics’ Al Horford, Grant Williams Enter Protocols

Celtics forward Grant Williams and one other player have entered the league’s health and safety protocols, according Jared Weiss of The Athletic.

The other player is center Al Horford, per Shams Charania of The Athletic. Those two join Celtics forward Jabari Parker, who entered protocols Thursday.

All three players will need to miss 10 days or return two negative tests in a 24-hour span, per league rules.

According to Tim Reynolds of the Associated Press, as of Thursday, is nearing 8 percent of NBA players had tested positive for the virus, with more rolling in. The league reportedly has a vaccination rate of 97 percent.